Available Definitions:
1) n. - Precedent.
2) a. - Occupying the first rank or chief place; having the highest authority; presiding.
3) n. - One who is elected or appointed to preside; a presiding officer, as of a legislative body.
4) n. - The chief officer of a corporation, company, institution, society, or the like.
5) n. - The chief executive officer of the government in certain republics; as, the president of the United States.
6) n. - A protector; a guardian; a presiding genius.